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发明人徐明华,郑宇鹏,高志强. "Method for the Synthesis of (3Z)-3-[(4-Ethoxyphenyl)imino]-1-phenyl-2,3-dihydro-1H-indol-2-one" [P]. 中国发明专利, 专利号 CN 114160364 A, 授权公告日 2021-05-19.
发明人罗永刚,沈红梅,王建平. "A Process for Preparing High-Purity (3Z)-3-[(4-Ethoxyphenyl)imino]-1-phenyl-2,3-dihydro-1H-indol-2-one" [P]. 中国发明专利, 专利号 CN 108523232 B, 授权公告日 2017-01-11.
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